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目的 :探讨外伤性弥漫性脑肿胀的CT表现。方法 :回顾性分析 3 8例经CT检查 ,其中 3 5例CT复查 ,3例临床诊断证实的弥漫性脑肿胀的CT征象和临床资料。结果 :3 8例中 ,外侧裂消失 3 8例 ,四叠体池消失 6例 ,鞍上池消失 2 0例 ,环池消失 4例 ,第三脑室消失 2 3例 ,两侧侧脑室或伴有第四脑室消失或大部分闭塞 9例 ,脑实质密度增高 10例 ,减低 4例 ,合并颅内小血肿 8例 ,其中 ,硬膜下血肿 3例 ,脑内血肿 5例 ,颅骨骨折 6例 ,头皮血肿 19例 ,迟发性脑内血肿 3例 ,伴胸腹部创伤 7例。结论 :两侧外侧裂和第三脑室消失是诊断弥漫性脑肿胀的可靠征象。脑沟、脑裂及脑室系统均消失是病情严重的征象。
Objective: To investigate the CT manifestations of traumatic diffuse brain swelling. Methods: CT signs and clinical data of 38 cases with diffuse brain swelling confirmed by CT examination were retrospectively analyzed in 38 cases by CT examination, including 35 cases of CT examination and 3 cases of clinical diagnosis. Results: In 38 cases, lateral cleft disappeared in 38 cases, quadrigeminal cistern disappeared in 6 cases, suprasellar cistern disappeared in 20 cases, peritubular cistern disappeared in 4 cases, third ventricle disappeared in 23 cases, both sides of lateral ventricle or with There are disappearance of the fourth ventricle or most of the occlusion in 9 cases, increased brain parenchyma density in 10 cases, 4 cases decreased, combined intracranial hematoma in 8 cases, of which 3 cases of subdural hematoma, brain hematoma in 5 cases, skull fracture in 6 cases , 19 cases of scalp hematoma, 3 cases of delayed intracerebral hematoma, 7 cases of thoracoabdominal trauma. Conclusion: The disappearance of the lateral fissures and the third ventricle on both sides is a reliable diagnosis of diffuse brain swelling. Cerebral groove, brain crack and ventricular system are disappeared is a sign of serious illness.